Consolidated Statement Of Changes In Equity - USD ($) $ in Thousands	Preferred Stock [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Preferred Stock [Member]	Common Stock [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock [Member]	Additional Paid-in Capital [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Additional Paid-in Capital [Member]	Retained Earnings (Accumulated Deficit) [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Retained Earnings (Accumulated Deficit) [Member]	Accumulated Other Comprehensive Income (Loss) [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total Stockholders' Equity [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Total Stockholders' Equity [Member]	Non-controlling Interest [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Non-controlling Interest [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Total
Balance at Dec. 31, 2018		$ 5		$ 12		$ 68,591		$ (31,926)		$ (908)		$ 35,774		$ 6,664		$ 42,438
Net income (loss)								(1,202)				(1,202)		(622)		(1,824)
Other comprehensive income (loss)										6		6		3		9
Acquisition / (surrender) of additional units of consolidated subsidiary, net						133				(14)		119		(119)
Equity-based compensation and vesting of shares						117						117		55		172
Shares withheld for employee taxes						(87)						(87)		(41)		(128)
Purchase and retirement of common stock						(65)						(65)				(65)
Investment in non-controlling interest														2,550		2,550
Dividends/Distributions								(290)				(290)		(106)		(396)
Balance (Accounting Standards Update 2016-02 [Member]) at Mar. 31, 2019							$ (20)				$ (20)				$ (20)
Balance at Mar. 31, 2019		5		12		68,689		(33,438)		(916)		34,352		8,384		42,736
Balance at Dec. 31, 2019		27		12		68,714		(34,519)		(915)		33,319		15,437		48,756
Net income (loss)								(3,102)				(3,102)		(8,683)		(11,785)
Other comprehensive income (loss)										(29)		(29)		(71)		(100)
Acquisition / (surrender) of additional units of consolidated subsidiary, net						(123)				8		(115)		115
Equity-based compensation and vesting of shares						46						46		112		158
Shares withheld for employee taxes						(15)						(15)		(39)		(54)
Dividends/Distributions								(62)				(62)				(62)
Balance at Mar. 31, 2020		$ 27		$ 12		$ 68,622		$ (37,683)		$ (936)		$ 30,042		$ 6,871		$ 36,913